hack+请求加强数据

P2742 [USACO5.1] 圈奶牛Fencing the Cows /【模板】二维凸包

https://www.luogu.com.cn/blog/codinging/solution-p2742 这个也是错的
by RedLycoris @ 2023-03-12 12:48:30


https://www.luogu.com.cn/blog/mzyc/solution-p2742 https://www.luogu.com.cn/blog/kkksc03666/solution-p2742 还有这俩
by RedLycoris @ 2023-03-12 12:51:59


@[Alex_wei](/user/123294)
by RedLycoris @ 2023-03-12 12:52:54


给卷怪磕头了。
by 45dino @ 2023-03-12 14:47:06


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